from rest_framework.views import  exception_handler
from rest_framework.response import Response
from rest_framework.exceptions import ValidationError
from django.core.exceptions import ZeroDivisionError
from django.db import DatabaseError
import logging
logger = logging.getLogger('django')
def custom_exception_handler(exc, context):
    response = exception_handler(exc, context)
    if response is None:
        view = context['view']
        if isinstance(exc, DatabaseError):
            logger.error('[%s] %s' % (view, exc))
            response = Response({'message': '数据库错误'}, status=500)
        if isinstance(exc, ZeroDivisionError):
            response = Response({'message': '0不能当成除数'}, status=500)

    return response